Sometimes the guna sattva overcomes rajas and tamas; when rajas prevails then sattva and tamas are defeated; sometimes tamas dominates defeating rajas and sattva. 14:11. When the light of wisdom shines from every pore of the body, then one can know that in this person sattva grows.
The basic unit of length in the metric system is the meter. Grams are used to measure weight and liter is used to measure liquid capacity.
Unit of measurement is a definite magnitude of a physical quantity, defined and adopted by convention or by law, that is used as a standard for measurement of the same physical quantity. Different systems of units used to be very common.